Diamond Clarity Scale Tiffany Diamond Experts800 518 5555

Gem-grade diamonds are given a clarity rating based on a scale that is standard in the trade. However, when Tiffany believes that a diamond’s clarity is on the borderline between two grades, Tiffany will always give the stone the lower grade.

fl flawless

if internally flawless—minor surface blemishes

vvs1–vvs2 very, very slightly included

vs1–vs2 very slightly included

si1 slightly included

si2 slightly included

i1–i3 imperfect—eye-visible inclusions

Tiffany gemological standards refer only to round brilliant diamonds from .18 to 2.99 carats set in certain ring styles. Round brilliant diamonds smaller or larger, fancy shape diamonds and fancy color diamonds each have their own specially tailored standards of evaluation. Consult your Tiffany Sales Professional for details.